HiveServer2 报错 OutOfMemoryError 解决思路
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今天下午使用 datagrip 远程连接 hive 突然中断,无法连接,拒绝连接
看了一下 hiveserver2 日志
2022-08-08 15:41:37,407 Log4j2-TF-2-AsyncLogger[AsyncContext@2c8d66b2]-1 ERROR Unable to invoke factory method in class org.apache.hadoop.hive.ql.log.HushableRandomAccessFileAppender for element HushableMutableRandomAccess: java.lang.OutOfMemoryError: Java heap space java.lang.reflect.InvocationTargetException
...
2022-08-08 15:41:37,783 Log4j2-TF-2-AsyncLogger[AsyncContext@2c8d66b2]-1 ERROR Unable to create Appender of type HushableMutableRandomAccess
2022-08-08 15:41:40,031 Log4j2-TF-2-AsyncLogger[AsyncContext@2c8d66b2]-1 ERROR Unable to invoke factory method in class org.apache.hadoop.hive.ql.log.HushableRandomAccessFileAppender for element HushableMutableRandomAccess: java.lang.OutOfMemoryError: GC overhead limit exceeded java.lang.reflect.InvocationTargetException
...
2022-08-08 15:41:40,726 Log4j2-TF-2-AsyncLogger[AsyncContext@2c8d66b2]-1 ERROR Unable to create Appender of type HushableMutableRandomAccess
AsyncLogger error handling event seq=19835, value='[ERROR calling class org.apache.logging.log4j.core.async.RingBufferLogEvent.toString(): java.lang.NullPointerException]':
java.lang.OutOfMemoryError: GC overhead limit exceeded
2022-08-08 15:41:42,918 Log4j2-TF-2-AsyncLogger[AsyncContext@2c8d66b2]-1 ERROR Unable to invoke factory method in class org.apache.hadoop.hive.ql.log.HushableRandomAccessFileAppender for element HushableMutableRandomAccess: java.lang.OutOfMemoryError: Java heap space java.lang.reflect.InvocationTargetException
...
Caused by: java.lang.OutOfMemoryError: Java heap space
...
2022-08-08 15:41:43,285 Log4j2-TF-2-AsyncLogger[AsyncContext@2c8d66b2]-1 ERROR Unable to create Appender of type HushableMutableRandomAccess
AsyncLogger error handling event seq=19841, value='[ERROR calling class org.apache.logging.log4j.core.async.RingBufferLogEvent.toString(): java.lang.NullPointerException]':
java.lang.OutOfMemoryError: GC overhead limit exceeded
Exception in thread "HiveServer2-Handler-Pool: Thread-252" java.lang.OutOfMemoryError: GC overhead limit exceeded
...
这是很明显的 OutOfMemoryError
问题
首先,排查集群虚机内存
发现,并没有什么问题,没有超标
有大佬说是内存配置的鬼
看了一眼,确实没配
说干就干,开始操作
1. 修改堆内存大小
cd /datafs/module/hive/conf/
cp hive-env.sh.template hive-env.sh
vim hive-env.sh
添加内容
export HADOOP_HEAPSIZE=1024
2. 重启 hiveserver2
3. 再使用 datagrip 阔以连接hive,而且执行 sql 成功,无报错
所以使用 hiveserver2 如果再遇到 报错 OutOfMemoryError
我们的解决思路可以如下:
a. 修改 hive 目录下的 conf/hive-env.sh
文件
export HADOOP_HEAPSIZE=1024
调大 HADOOP_HEAPSIZE
堆内存的大小
b. 增加虚机内存
c. 使用物理机,加大内存
d. 优化 sql
待更新…
我们下期见,拜拜!
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